internal static CsvMapToColumns FindInMember(MemberInfo member)
{
CsvMapToColumns csvMapToColumns = null;
object[] attributes = member.GetCustomAttributes(typeof(CsvMapToColumns), false);
if (attributes != null && attributes.Length > 0)
{
if (attributes.Length > 1)
{
throw new Exception(string.Format("Multiple {0} attributes assigned to propery: {1}",
typeof(CsvMapToColumns).Name,
member.Name));
}
if (member.MemberType.Equals(typeof(KeyValuePair <string, object>)))
{
throw new Exception(string.Format("{0} attribute assigned to propery {1} must be of type: KeyValuePair<string, object>",
typeof(CsvMapToColumns).Name,
member.Name));
}
csvMapToColumns = attributes[0] as CsvMapToColumns;
}
return(csvMapToColumns);
}
public IEnumerator <KeyValuePair <string, object> > GetEnumerator()
{
foreach (FieldInfo field in csvColumns.Fields)
{
CsvMapToColumns csvMapToColumns = CsvMapToColumns.FindInMember(field);
if (csvMapToColumns != null)
{
IEnumerable <KeyValuePair <string, object> > columnValue = new KeyValueEnumerator(
field,
obj != null ? (field.GetValue(obj) as IEnumerable <KeyValuePair <string, object> >) : null);
foreach (KeyValuePair <string, object> keyValue in columnValue)
{
yield return(keyValue);
}
}
else
{
yield return(new KeyValuePair <string, object>(
field.Name,
(obj != null ? field.GetValue(obj) : null)));
}
}
foreach (PropertyInfo property in csvColumns.Properties)
{
if (!property.CanWrite || CsvIgnore.HasAttribute(property))
{
continue;
}
CsvMapToColumns csvMapToColumns = CsvMapToColumns.FindInMember(property);
if (csvMapToColumns != null)
{
IEnumerable <KeyValuePair <string, object> > columnValue = new KeyValueEnumerator(
property,
obj != null ? (property.GetValue(obj, null) as IEnumerable <KeyValuePair <string, object> >) : null);
foreach (KeyValuePair <string, object> keyValue in columnValue)
{
yield return(keyValue);
}
}
else
{
yield return(new KeyValuePair <string, object>(
property.Name,
(obj != null ? property.GetValue(obj, null) : null)));
}
}
}
public IEnumerator <KeyValuePair <string, object> > GetEnumerator()
{
CsvMapToColumns csvMapToColumns = CsvMapToColumns.FindInMember(memberInfo);
if (csvMapToColumns != null)
{
IEnumerator <KeyValuePair <string, object> > enumerator = null;
if (collection != null)
{
enumerator = collection.GetEnumerator();
}
for (int index = 0; index < LogEntry.MaxAttributes; ++index)
{
// If there is no enumerator for data, return null values since the header creation
// doesn't need the values, just the names.
string name = null;
object value = null;
if (enumerator != null)
{
if (enumerator.MoveNext())
{
// Get the context attribute name/value
name = enumerator.Current.Key;
value = enumerator.Current.Value;
}
else
{
// If no attributes exist for all slots, use empty strings to
// ensure the commas are added to the csv.
name = "";
value = "";
}
}
yield return(new KeyValuePair <string, object>(
String.Format("{0}Name{1}", csvMapToColumns.AlternateName, (index + 1)),
name));
yield return(new KeyValuePair <string, object>(
String.Format("{0}Value{1}", csvMapToColumns.AlternateName, (index + 1)),
value));
}
}
}
